CN104992596A - Virtual electronic-control engine experiment bench - Google Patents
Virtual electronic-control engine experiment bench Download PDFInfo
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- CN104992596A CN104992596A CN201510426503.XA CN201510426503A CN104992596A CN 104992596 A CN104992596 A CN 104992596A CN 201510426503 A CN201510426503 A CN 201510426503A CN 104992596 A CN104992596 A CN 104992596A
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Abstract
The invention discloses a virtual electronic-control engine experiment bench. The virtual electronic-control engine experiment bench comprises a storage battery. The positive electrode end of the storage battery is connected with a coil of a normally-open relay, an ignition control assembly and an engine control unit through an ignition switch. A movable contact of a normally-open contact switch of the normally-open relay is connected with the positive electrode end of the storage battery, and a fixed contact of the normally-open contact switch of the normally-open relay is connected with a direct current motor and a tube-axial fan through a slide rheostat. By means of the experiment bench, an automobile engine serves as a basic model, the working process of an electronic control system of the automobile engine can be visibly and observably shown, and the virtual electronic-control engine experiment bench is quite convenient to debug and detect, safe, economical and environmentally friendly.
Description
Technical field
The present invention relates to a kind of virtual electric-control motor experimental stand.
Background technology
At present, experiment table of automobile engine frame generally adopts real parts to make, and causes that whole experimental stand is bulky, cost of manufacture is expensive; And want fuel consumption, discharging waste gas during running, cause that operating cost is high, contaminated environment and certain potential safety hazard.Also security incident and environmental pollution is easily caused on the other hand.As adopted virtual experimental system then can solve the problem preferably, the teaching of teacher and the study of student all become more convenient, are also conducive to the creativity consciousness exciting student.
Summary of the invention
The defect that the present invention seeks to exist for prior art provides a kind of virtual electric-control motor experimental stand.
The present invention for achieving the above object, adopts following technical scheme: a kind of virtual electric-control motor experimental stand, comprising:
Accumulator, its positive terminal is connected with the coil of normally opened relay, IGC Module and control unit of engine respectively by ignition switch; The moving contact of the normally opened contact switch of described normally opened relay is connected with the positive terminal of described accumulator, and the stationary contact of its normally opened contact switch is connected with direct current generator and tubeaxial fan respectively by slide rheostat;
Control unit of engine, its signal input part is connected with CMPS Camshaft Position Sensor, cooling-water temperature sensor, intake air temperature sensor, throttle control assembly, crankshaft position sensor, air flow sensor and lambda sensor respectively, and its signal output part is connected with the first cylinder injector pilot lamp, the second cylinder injector pilot lamp, the 3rd cylinder injector pilot lamp, the 4th cylinder injector pilot lamp and activated carbon canister solenoid valve pilot lamp respectively;
IGC Module, its control input end is connected with control unit of engine, and its control output end is connected with the first cylinder spark plug components, the second cylinder spark plug components, the 3rd cylinder spark plug components and the 4th cylinder spark plug components respectively;
FP Fuel Pump Relay, the signal input part of its coil is connected with described control unit of engine, and the moving contact of its normally opened contact switch is connected with the positive terminal of accumulator, and the stationary contact of its normally opened contact switch is connected with operation of oil pump pilot lamp.
Further, also comprise anti-theft control unit, its control input end is connected with described control unit of engine; The anti-theft signal input end of described anti-theft control unit is connected with ignition switch, and its anti-theft signal output terminal is connected with the recognition coil of the outside being looped around mechanical ignition switch lock;
Wherein, described anti-theft control unit sends to described recognition coil ignition signal, by recognition coil the mode that ignition signal is responded to sent to the transponder in automobile key, described transponder is launched " program control code " after receiving ignition signal immediately, and by described recognition coil, " program control code " is sent to described anti-theft control unit; Described anti-theft control unit checks " the program control code " of input and the automobile key code be stored in this anti-theft control unit in advance, judges that whether it is correct; As code is correct, described anti-theft control unit sends starting ignition and fuel-injected control signal to immediately described control unit of engine, and engine is started smoothly; As code is incorrect, then described anti-theft control unit sends to immediately described control unit of engine and cuts off igniting and fuel-injected control signal, and engine can not be started smoothly.
Beneficial effect of the present invention: this experimental stand is model based on motor car engine, can intuitively, the course of work of observably display automobile engine electric-controlled system, the very convenient debugging of this equipment, detection, and safety, economy, environmental protection.
Accompanying drawing explanation
Fig. 1 circuit theory schematic diagram of the present invention.
Embodiment
Shown in Fig. 1, be the virtual electric-control motor experimental stand of one of the present invention, comprise:
Accumulator 2, its positive terminal is connected with the coil of normally opened relay 5, IGC Module 6 and control unit of engine 12 respectively by ignition switch 4; The moving contact of the normally opened contact switch of described normally opened relay 5 is connected with the positive terminal of described accumulator 2, and the stationary contact of its normally opened contact switch is connected with direct current generator 3 and tubeaxial fan 32 respectively by slide rheostat 1.
Control unit of engine 12, its signal input part is connected with CMPS Camshaft Position Sensor 7, cooling-water temperature sensor 8, intake air temperature sensor 9, throttle control assembly 10, crankshaft position sensor 15, air flow sensor 20 and lambda sensor 22 respectively, and its signal output part is connected with the first cylinder injector pilot lamp 16, second cylinder injector pilot lamp 17, the 3rd cylinder injector pilot lamp 18, the 4th cylinder injector pilot lamp 19 and activated carbon canister solenoid valve pilot lamp 21 respectively.
IGC Module 6, its control input end is connected with control unit of engine 12, and its control output end is connected with the first cylinder spark plug components 27, second cylinder spark plug components 28, the 3rd cylinder spark plug components 29 and the 4th cylinder spark plug components 30 respectively.
FP Fuel Pump Relay 26, the signal input part of its coil is connected with described control unit of engine 12, and the moving contact of its normally opened contact switch is connected with the positive terminal of accumulator 2, and the stationary contact of its normally opened contact switch is connected with operation of oil pump pilot lamp 23.
Also be provided with anti-theft control unit 14 in this test-bed, its control input end is connected with described control unit of engine 12; The anti-theft signal input end of described anti-theft control unit 14 is connected with ignition switch 4, and its anti-theft signal output terminal is connected with the recognition coil 24 of the outside being looped around mechanical ignition switch lock.
Wherein, anti-theft control unit 14 sends to described recognition coil 24 ignition signal, by recognition coil 24 mode that ignition signal is responded to sent to the transponder in automobile key, described transponder is launched " program control code " after receiving ignition signal immediately, and by described recognition coil 24, " program control code " is sent to described anti-theft control unit 14; Described anti-theft control unit 14 checks " the program control code " of input and the automobile key code be stored in this anti-theft control unit 14 in advance, judges that whether it is correct; As code is correct, described anti-theft control unit 14 sends starting ignition and fuel-injected control signal to immediately described control unit of engine 12, and engine is started smoothly; As code is incorrect, then described anti-theft control unit 14 sends to immediately described control unit of engine 12 and cuts off igniting and fuel-injected control signal, and engine can not be started smoothly.
Because the car key of each car is different, so each transponder can be provided with different program control codes.When using legal automobile key to open ignition switch, extinguish after antitheft pilot lamp 25 can light the schedule time.If use illegal automobile key, or burglary-resisting system exists fault, after opening ignition switch, antitheft pilot lamp 25 can continuously glimmer.
When ignition switch 4 closes, accumulator 2 provides working power to respectively control unit of engine 12, anti-theft control unit 14 and IGC Module 6, specific as follows:
When using legal key that ignition switch 4 is closed, the sound contact adhesive of the normally opened contact switch of normally opened relay 5, direct current generator 3 and tubeaxial fan 32 according to the position of gas pedal with certain rotational speed, direct current generator 3 driving crank time gear and camshaft timing gear rotate, crankshaft timing gear provides crank position (engine speed) signal to control unit of engine 12 by crankshaft position sensor 15, control unit of engine 12 understands the sound contact adhesive of control oil pump relay 26 after receiving engine rotational speed signal, operation of oil pump pilot lamp 23 is lighted, now just simulation oil-feed pump and fuel injector etc. provides working power.Camshaft timing gear provides camshaft-position signal to control unit of engine 12 by CMPS Camshaft Position Sensor 7; There is provided air-flow to after tubeaxial fan 32 starts air flow sensor 20, air flow sensor 20 sends air flow rate signal to control unit of engine 12; The resistance that cooling-water temperature sensor 8 and intake air temperature sensor 9 adjust according to it provides water temperature signal and intake air temperature signals to control unit of engine 12; Throttle position sensor in throttle control assembly 10 provides throttle position signal to control unit of engine 12, and it is synchronous with gas pedal.The engine coherent signal that control unit of engine 12 gathers according to above-mentioned each sensor, by calculating, treatment and analysis, determine a best fuel injection amount, oil injection time and the duration of ignition, for controlling corresponding each executive component work such as idle speed control motor, operation of oil pump pilot lamp, activated carbon canister solenoid valve pilot lamp 21 of the fuel injector pilot lamp of each cylinder, the spark plug components of each cylinder, automobile; And the oil spout of engine, spark rate are synchronous with engine speed.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a virtual electric-control motor experimental stand, is characterized in that, comprising:
Accumulator (2), its positive terminal is connected with the coil of normally opened relay (5), IGC Module (6) and control unit of engine (12) respectively by ignition switch (4); The moving contact of the normally opened contact switch of described normally opened relay (5) is connected with the positive terminal of described accumulator (2), and the stationary contact of its normally opened contact switch is connected with direct current generator (3) and tubeaxial fan (32) respectively by slide rheostat (1);
Control unit of engine (12), its signal input part respectively with CMPS Camshaft Position Sensor (7), cooling-water temperature sensor (8), intake air temperature sensor (9), throttle control assembly (10), crankshaft position sensor (15), air flow sensor (20) and lambda sensor (22) connect, its signal output part respectively with the first cylinder injector pilot lamp (16), second cylinder injector pilot lamp (17), 3rd cylinder injector pilot lamp (18), 4th cylinder injector pilot lamp (19) and activated carbon canister solenoid valve pilot lamp (21) connect,
IGC Module (6), its control input end is connected with control unit of engine (12), and its control output end is connected with the first cylinder spark plug components (27), the second cylinder spark plug components (28), the 3rd cylinder spark plug components (29) and the 4th cylinder spark plug components (30) respectively;
FP Fuel Pump Relay (26), the signal input part of its coil is connected with described control unit of engine (12), the moving contact of its normally opened contact switch is connected with the positive terminal of accumulator (2), and the stationary contact of its normally opened contact switch is connected with operation of oil pump pilot lamp (23).
2. a kind of virtual electric-control motor experimental stand as claimed in claim 1, is characterized in that, also comprise anti-theft control unit (14), its control input end is connected with described control unit of engine (12); The anti-theft signal input end of described anti-theft control unit (14) is connected with ignition switch (4), and its anti-theft signal output terminal is connected with the recognition coil (24) of the outside being looped around mechanical ignition switch lock;
Wherein, described anti-theft control unit (14) sends to described recognition coil (24) ignition signal, by recognition coil (24) mode that ignition signal is responded to sent to the transponder in automobile key, described transponder is launched " program control code " after receiving ignition signal immediately, and by described recognition coil (24), " program control code " is sent to described anti-theft control unit (14); Described anti-theft control unit (14) checks " the program control code " of input and the automobile key code be stored in this anti-theft control unit (14) in advance, judges that whether it is correct; As code is correct, described anti-theft control unit (14) sends starting ignition and fuel-injected control signal to immediately described control unit of engine (12), and engine is started smoothly; As code is incorrect, then described anti-theft control unit (14) sends to immediately described control unit of engine (12) and cuts off igniting and fuel-injected control signal, and engine can not be started smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426503.XA CN104992596A (en) | 2015-07-15 | 2015-07-15 | Virtual electronic-control engine experiment bench |
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| CN201510426503.XA CN104992596A (en) | 2015-07-15 | 2015-07-15 | Virtual electronic-control engine experiment bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751873A (en) * | 2019-11-15 | 2020-02-04 | 郑州意昂新能源汽车科技有限公司 | Method for interconnecting whole vehicle electric control practical training platform of new energy automobile and actual vehicle |
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